CVE-2026-40468Disclosure(fossies / gawk)

LOWCVSS 9.1 · CRITICAL

Signal is active with 3 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Integer overflow vulnerability has been found in "builtin.c" program file of gawk. This issue may lead to memory exhaustion on the hosting operating system and could be used to overwrite gawk heap metadata and objects with attacker-controlled bytes. It affects gawk in versions 5.4.0 and below.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-190

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • gawk

Threat summary

  • 3 mentions across 1 observed day

What's happening

  • Technical details provided in 3 signals
  • Disclosure: 3 classified signals
  • 3 total mentions across 1 day

Affected systems

Vendors
Products
gawk

Deep dive

Activity timeline3 mentions / 1d
01223Mentions · 2026-07-13: 3Technical Details · 2026-07-13: 307-13
Signal classification1 categories
Disclosure
3100.0%
Referenced assets3 URLs
Full discourse3 posts
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-40468 Integer Overflow in Gawk 5.4.0 and Below Leading to Heap Metadata Corruption https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-40468

    Post summary

    The text identifies CVE‑2026‑40468 as an integer overflow vulnerability in Gawk 5.4.0 that can corrupt heap metadata, but provides no PoC, exploit, patch, or evidence of active exploitation.

    0000099
    4.1K followersView on X
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-2026-40468 Integer overflow vulnerability has been found in "builtin.c" program file of gawk. This issue may lead to memory exhaustion on the hosting operating system and could … https://www.cve.org/CVERecord?id=CVE-2026-40468 ----- Traducción: La vulnerabilidad … http://infoflow.cloud`

    Post summary

    The text announces CVE-2026-40468, an integer overflow vulnerability in gawk’s builtin.c that may cause memory exhaustion.

    0000045
    92 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-40468 Integer overflow vulnerability has been found in "builtin.c" program file of gawk. This issue may lead to memory exhaustion on the hosting operating system and could … https://www.cve.org/CVERecord?id=CVE-2026-40468

    Post summary

    The snippet announces an integer‑overflow vulnerability in gawk’s builtin.c that could lead to memory exhaustion, without providing any PoC, exploit, patch, or exploitation evidence.

    00000641
    57.8K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appfossiesgawk---

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